<template>
  <div class="xtx-carousel">
    <div
      class="slider"
      v-for="(item, key) in lei"
      :key="key"
      v-show="imglist == key"
    >
      <RouterLink v-for="(i, k) in lei[key]" :key="k" to="/">
        <img :src="i.picture" alt="" />
        <p class="name ellipsis">{{ i.name }}</p>
        <p class="price">&yen;{{ i.price }}</p>
      </RouterLink>
    </div>

    <a href="javascript:;" class="carousel-btn prev" @click="prev()"
      ><i class="iconfont icon-angle-left"></i
    ></a>
    <a href="javascript:;" class="carousel-btn next" @click="next()"
      ><i class="iconfont icon-angle-right"></i
    ></a>
    <div class="carousel-indicator">
      <span
        v-for="(item, key) in lei.length"
        :key="key"
        @click="witch(key)"
        :class="{ liang: key == imglist }"
      ></span>
    </div>
    <!-- {{lei}} -->
  </div>
</template>

<script>
export default {
  props: ["tong"],
  data() {
    return {
      // img: [],
      imglist: 0,
      // times: null,

    };
  },
  methods: {
    prev() {
      if (this.imglist <= 0) {
        this.imglist = this.lei.length;
      }
      this.imglist--;
      clearInterval(this.times);
    },
    next() {
      if (this.imglist >= this.lei.length - 1) {
        this.imglist = -1;
      }
      this.imglist++;

    },
  },
  mounted() {},
  computed: {
    lei() {
      var sliders=[]
      const size = 4;
      const total = Math.ceil(this.tong.length / size);
      for (let i = 0; i < total; i++) {
        sliders.push(this.tong.slice(i * size, (i + 1) * size));
      }
      return sliders
    }
  }
}
</script>

<style lang="scss" scoped>
@import "@/assets/css/color.scss";
.xtx-carousel {
  width: 100%;
  height: 100%;
  min-width: 1240px;
  min-height: 350px;
  position: relative;
  .carousel {
    &-body {
      width: 100%;
      height: 100%;
    }
    &-item {
      width: 100%;
      height: 100%;
      position: absolute;
      left: 0;
      top: 0;
      opacity: 0;
      transition: opacity 0.5s linear;
      &.fade {
        opacity: 1;
        z-index: 1;
      }
      img {
        width: 100%;
        height: 100%;
      }
    }
    &-indicator {
      position: absolute;
      left: 0;
      bottom: 20px;
      z-index: 2;
      width: 100%;
      text-align: center;
      span {
        display: inline-block;
        width: 12px;
        height: 12px;
        background: rgba(0, 0, 0, 0.2);
        border-radius: 50%;
        cursor: pointer;
        ~ span {
          margin-left: 12px;
        }
        &.active {
          background: #fff;
        }
      }
    }
    &-btn {
      width: 44px;
      height: 44px;
      color: rgb(150, 150, 150);
      background: #fff;
      border-radius: 50%;
      position: absolute;
      top: 135px;
      z-index: 2;
      text-align: center;
      line-height: 44px;
      opacity: 1;
      transition: all 0.5s;
      &.prev {
        left: 20px;
        // background: red;
        // margin-left: 240px;
      }
      &.next {
        right: 20px;
      }
    }
  }
  &:hover {
    .carousel-btn {
      opacity: 1;
    }
  }
}
.liang {
  background-color: #27ba9b !important;
}

.slider {
  display: flex;
  justify-content: space-around;
  padding: 0 40px;
  > a {
    width: 240px;
    text-align: center;
    img {
      padding: 20px;
      width: 230px !important;
      height: 230px !important;
    }
    .name {
      font-size: 16px;
      color: #666;
      padding: 0 40px;
    }
    .price {
      font-size: 16px;
      color: red;
      margin-top: 15px;
    }
  }
}
:deep(.xtx-carousel) {
  height: 380px;
  .carousel {
    &-indicator {
      bottom: 30px;
      span {
        &.active {
          background: $xtxColor;
        }
      }
    }
    &-btn {
      top: 110px;
      opacity: 1;
      background: rgba(0, 0, 0, 0);
      color: #ddd;
      i {
        font-size: 30px;
      }
    }
  }
}
</style>
